Yes, i absolutely believe in long -term holding of crypto, I think that crypto currencies has a brighter future in that there will come a day when crypto currency  will be used very widely across the  globe on a daily basis by people as in the same way that credit cards or online banking are used nowadays. Recently most countries have hint of accepting crypto currencies in thier transactions. for example Ghana. Although there is some risk in holding it for a long time, long holding gives good results especially with some of this very promising project tokens